<template>
  <div>
    <div class="todo-header">
      <input type="text" 
      placeholder="请输入你的任务名称，按回车键确认" 
      @keyup.enter="addPublishHandel"
      />
    </div>
  </div>
</template>

<script>
import {v4 as uuidV4} from 'uuid'
export default {
    name : 'Header',
    props:["newTodoList"],
    methods:{
        addPublishHandel(e){
            const newTodo = {id:uuidV4() , thing:e.target.value.trim() , done:false}
            if(!e.target.value){
                alert('输入不能为空')
                return
            }
            this.newTodoList(newTodo);
            e.target.value = ''
        }
    }
};
</script>

<style lang="css" scoped>
/*header*/
.todo-header input {
  width: 560px;
  height: 28px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 4px 7px;
}

.todo-header input:focus {
  outline: none;
  border-color: rgba(82, 168, 236, 0.8);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
}
</style>